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Security Bulletin: A vulnerability in giflib affects IBM Flex System Manager (FSM) (CVE-2015-7555)

Security Bulletin


Summary

A security vulnerability has been discovered in giflib that is embedded in the IBM FSM. This bulletin addresses this vulnerability.

Vulnerability Details

CVEID: CVE-2015-7555
DESCRIPTION: giflib is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by giffix.c. By using a specially-crafted .gif file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109149 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Flex System Manager 1.3.4.x
Flex System Manager 1.3.3.x
Flex System Manager 1.3.2.x
Flex System Manager 1.3.1.x
Flex System Manager 1.3.0.x
Flex System Manager 1.2.x.x
Flex System Manager 1.1.x.x

Remediation/Fixes

IBM recommends updating the FSM using the instructions referenced in this table.

      Product
      VRMF
      APAR
      Remediation
Flex System Manager
      1.3.4.x
IT14210
Install fsmfix_1.3.4.0_IT14208_IT14210_IT14950
Flex System Manager
      1.3.3.x
IT14210
Install fsmfix_1.3.3.0_IT14208_IT14210_IT14950
Flex System Manager
      1.3.2.x
IT14210
Install fsmfix_1.3.2.0_IT14208_IT14210_IT14950
Flex System Manager
      1.3.1.x
IT14210
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.3.0.x
IT14210
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.2.x.x
IT14210
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.1.x.x
IT14210
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

18 March 2016: Original version published
3 May 2016 : Remediation updated with superseding fix

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

Advisory 4864, PSIRT 72126

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Document Information

Modified date:
17 June 2018

UID

isg3T1023474

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